________ deep down in the earth for thou
题型:选择题
问题:
________ deep down in the earth for thousands of years, the dead forest has rotted away and become coal.
A.Having buried
B.Being buried
C.Buried
D.To be buried
________ deep down in the earth for thousands of years, the dead forest has rotted away and become coal.
A.Having buried
B.Being buried
C.Buried
D.To be buried